The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7534745 B1

PDF
Full Text
Expired
Date of Patent:
May. 19, 2009

Filed:

May. 05, 2004
Applicants:

Robert S. Taylor, Calgary, CA;

Gary P. Funkhouser, Duncan, OK (US);

Ronald G. Dusterhoft, Katy, TX (US);

Inventors:

Robert S. Taylor, Calgary, CA;

Gary P. Funkhouser, Duncan, OK (US);

Ronald G. Dusterhoft, Katy, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/64 (2006.01); E21B 43/26 (2006.01); E21B 43/04 (2006.01); E21B 33/00 (2006.01); E21B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to emulsion compositions and associated methods. More particularly, the present invention relates to gelled invert emulsion compositions and their associated methods of use and preparation. In one embodiment, the present invention provides a method of treating a portion of a subterranean formation comprising the steps of: providing a gelled invert emulsion composition that comprises an oleaginous continuous phase, a discontinuous phase, and a gelling agent; and treating a portion of the subterranean formation. The present invention also provides methods of increasing the viscosity of an invert emulsion composition, methods of making gelled invert emulsion compositions, methods of providing some degree of sand control to portions of subterranean formations, methods of fracturing a portion of a subterranean formation, and gelled invert emulsion compositions.


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